Unattended Death and Biohazard Cleanup in Avondale, PA

Avondale is a small borough in southern Chester County, in southeastern Pennsylvania, built along the East Branch of White Clay Creek.

Avondale was incorporated as a borough in 1894, though its post office had already been serving the crossroads community since 1828.

The 2020 census counted just over 1,270 people in Avondale — up from only 329 residents in 1880 — and the 2000 census recorded 345 households with an unusually large average household size of 3.4 people.

Avondale covers only about half a square mile of land.

Avondale sits in the heart of Pennsylvania's mushroom country and is home to the headquarters of the American Mushroom Institute, the national trade association for mushroom growers, processors, and marketers.

The surrounding Chester County mushroom industry has shaped Avondale's character: about 59 percent of borough residents were Hispanic or Latino at the 2010 census, many of them families drawn by work on the region's multi-generation mushroom farms.

Avondale's school district takes its name from the borough — the Avon Grove School District combines Avondale and neighboring West Grove, and its students attend Avon Grove High School.

Mushrooms are Pennsylvania's number one cash crop, and the farms around Avondale and nearby Kennett Square, the self-styled 'Mushroom Capital of the World,' produce a large share of America's mushrooms.